An obligate parasite, or holoparasite, is a parasitic organism that cannot complete its life-cycle without exploiting a suitable host.
Part of the Andes mountain range, Aconcagua is the second highest of the Seven Summits, behind only Mount Everest in Asia. At 22,837 feet (6,961 meters), not only is it the highest mountain in South America, it is the tallest peak in all of the Americas as well as the Southern and Western Hemispheres.
Mount Kilimanjaro, Tanzania. Mount Kilimanjaro, situated near Arusha, northern Tanzania, is the tallest free-standing mountain in the world. With a height of 5 895 metres, it is the highest peak on the African continent.rom the snowy heights of Mount Kilimanjaro to the 3 482-metre high Thaba Ntlenyana in Lesotho, Africa has some of the most interesting peaks south of the equator. Here they are (plus how you can climb them).